Level of alcohol in the blood: a table, calculator, norms

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Ethanol is excreted in people at different rates. In each case, the rate of cleansing the body is individual, depends on sex, health status. Alcohol calculator allows you to estimate the average, approximate level of alcohol in the blood plasma, calculate when the driver can get behind the wheel of the car.

Alcohol calculator

The concentration of alcohol contained in the blood is calculated using a calculator that takes into account the strength, volume of drinks drunk, sex and weight. The calculator is based on the formula proposed in 1932 by the Swedish chemist Eric Widmark for use in forensic medicine.

The result of calculations reliably displays the amount of ethyl alcohol supplied with drinks. The obtained value takes into account the average rate of alcohol content decrease in blood, equal to 0, 15 ‰ / hour.

Calculator of blood alcohol content:

Drink table in ppm

The ethanol content in blood plasma is measured in ppm( ‰) and means the amount of ethyl alcohol in 1 liter of blood expressed in thousandths of a percent. Thus, a value of 1.2 ‰ means that 1.2 ml of alcohol is present in 1 blood.

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The table can provide a good service to drivers who do not use alcohol. After all, ethyl alcohol is contained in small quantities not only in drinks. Breathalyzer policeman on the road can show up to 0.6 ‰ after drinking by the driver of kvass, 0,2 ‰ - after kefir.

Blood alcohol level table:

Degree of intoxication in ‰( ppm) Feeling Effect on driving
0,2-0,5 The condition is slightly different from sobriety, there is excessive talkativeness, obsession, but within decency. No response to moving cars, there is a desire to increase the speed, the ability to estimate the distance is impaired.
0,5-0,8 The state is accompanied by euphoria, violation of morality, loss of control over behavior, insolence. Adaptation of vision to change in lighting, perception of red color is weakened. The driver does not see a traffic light, red brake lights.
0,8-1,2 Inadequately evaluated events, there are symptoms of alcohol poisoning - nausea, apathy, disorientation. The mood changes from indifference to outbursts of aggression, anger. The ability to adequately estimate distances is lost, the reaction is slowed down. The driver notices late and does not have time to react when there are cyclists, fences, standing cars in sight.
1,2-2,4 Unpredictable behavior, propensity to apathy. Signs of poisoning increase, vomiting, involuntary defecation. Coordination is lost, the visual response is reduced, there is no adequate assessment of the situation. All of the above is accompanied by monstrous arrogance.

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With a value of over 2.4 ‰, a real threat of paralysis, a heart attack becomes real. Above 3 ‰ - suppression of respiratory reflexes, lowering of temperature, coma, risk of death.

At ppm 3,8 and above a person can die from paralysis of the respiratory center in the brain.

Duration of action of alcohol

The rate of utilization of ethanol in the body depends on the characteristics of metabolism, the state of the digestive system, liver, pancreas. For the cleavage of ethyl alcohol, enzymes are required that can be inactive or even absent.

The degree of intoxication of a person depends on the factors:

  • person's weight, height;
  • floor;
  • hereditary predisposition;
  • state of the digestive, respiratory urinary system.

With the help of an alcohol calculator you can assess the degree of intoxication, but it is not possible to accurately determine the amount of ethanol in the blood from the tables. Rates of excretion of ethanol in humans at different times and under different conditions are very different.

Features of cleavage

A special role in the detoxification of the body belongs to the liver. Long-term abuse of alcohol impairs its function, destroys the body, leads to cirrhosis. The more damaged the liver, the less alcohol causes intoxication and poisoning.

Absorption of ethyl alcohol begins almost immediately after drinking the drink, after an hour in the blood accumulates the maximum amount of ethanol.

The process slows down with the simultaneous use of fatty foods. After excretion from the blood, alcohol is still contained in urine, cerebrospinal fluid.

The strength of alcoholic beverages is important. Strong drinks are taken out longer, so if you need 4 hours to neutralize 100 grams of vodka, then intoxication from a bottle of beer goes through 2 hours.

Beer will not be felt when breathing after 30 minutes, and a couple of alcohol after taking 100 g of vodka is felt in the exhaled air for 1, 5 hours.

Calculations of

100 g of vodka in terms of 96% ethyl alcohol are 40 g of pure alcohol. To determine the degree of intoxication, the amount of alcohol( ‰) must be divided by the total weight of the body fluid.

All body fluids in men average 65-70% of body weight, and for a person weighing 70 kg, the weight of the whole liquid is: 70 kg × 70% / 100% = 49 kg.

To calculate the degree of intoxication, the amount of pure alcohol contained in 100 grams of vodka and 40 grams of alcohol is divided by the total amount of water in the body. The total liquid in this case is 49 kg. Dividing 40 by 49, we get 0, 82 ppm.

The degree of intoxication of a woman is also calculated, taking into account that the share of water in the female body is from 55% to 60%.With a high content of fat water in the body contains less. The more muscles, the higher the percentage of fluid.

Assimilation in the body

After the ethyl alcohol enters the stomach, it is absorbed into the bloodstream, then carries with the blood flow.90% of alcohol is absorbed in the liver, the rest is split in the kidneys, intestines, skin, lungs.

From the vital volume of the lungs, in particular, depends on the difference in the rate of excretion of toxins in the female and male body. Alcohol is withdrawn at an average rate of 0.1 ‰ per hour. And at intoxication 1,2 ‰ sobering will come in 12 hours.

In women, the rate of excretion of ethanol is lower than that of men by 1.2 times. Accordingly, a woman with a degree of intoxication 1,2 ‰ sobering will occur through 12 × 1,2 = 14,4 hours.

Complete withdrawal of alcohol from the blood

Permissible amount of ethanol in the blood

According to the current legislation of the Russian Federation, drivers of vehicles are prohibited from consuming intoxicants. The maximum permissible level of alcohol in the blood is 0.16 mg / l in the air, exhaled during the test, introduced as a possible error in the measuring device.

The permissible value of alcohol in the blood is 0.336 В.Such concentration in the blood occurs in an hour, if a man weighing 80 kg, will use:

  • 50 g of vodka;
  • 50 g cognac;
  • 200 g of champagne;
  • 200 g of wine;
  • 500 g of beer.

Women are more sensitive to alcohol. The level of ethanol in their blood does not exceed the norm one hour after consumption:

  • 30 g of vodka;
  • 30 g cognac;
  • 100 g of wine;
  • 100 g of champagne;
  • 330 g of beer.

For a maximum elimination of alcohol from the blood, a man weighing 80 kg will need a longer period of time: 100 grams of vodka are removed within 4 hours, and 100 g of champagne - for 1 hour.

Allowed 0, 16 mg / l in the exhaled air volume, 0.336 ppm in the blood. This value falls within the limit of the error of the breathalyzer, a device for measuring alcohol on expiration, and is considered an authorized limit for drivers of vehicles.

Maximum permissible standards

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